1 files changed, 3 insertions, 1 deletions
diff --git a/testhal/STM32F4xx/RTC/Makefile b/testhal/STM32F4xx/RTC/Makefile
index 02f7a7f98..e60937914 100644
--- a/testhal/STM32F4xx/RTC/Makefile
+++ b/testhal/STM32F4xx/RTC/Makefile
@@ -5,7 +5,7 @@
 
 # Compiler options here.
 ifeq ($(USE_OPT),)
-  USE_OPT = -O0 -ggdb -fomit-frame-pointer -falign-functions=16 -mhard-float -mfpu=fpv4-sp-d16 -fsingle-precision-constant
+  USE_OPT = -O0 -ggdb -fomit-frame-pointer -falign-functions=16
 endif
 
 # C specific options here (added to USE_OPT).
@@ -79,6 +79,8 @@ CSRC = $(PORTSRC) \
        $(BOARDSRC) \
        $(CHIBIOS)/os/various/evtimer.c \
        $(CHIBIOS)/os/various/syscalls.c \
+       $(CHIBIOS)/os/various/shell.c \
+       $(CHIBIOS)/os/various/chprintf.c \
        main.c \
 
 # C++ sources that can be compiled in ARM or THUMB mode depending on the global